Variables Variables Num. (%) or mean (±SD) Num. (%) or mean (±SD) Num. (%) or mean (±SD)
Total leads Unipolar non-steroid-eluting lead (Num.= 59) Bipolar steroid-eluting lead (Num.= 30) p-value
QRS duration 135.95 (±25.29) 136.54 (±25.58) 134.81 (±25.17) 0.78
LVEF* >45 32 (35.96) 19 (32.20) 13 (43.33) 0.31
<=45 57 (64.04) 40 (67.80) 17 (56.67)
LVEDd+ LVEDd+ 5.24 (1.02) 5.20 (0.83) 5.33 (1.36) 0.72
LVESd§ LVESd§ 4.07 (1.07) 4.02 (0.88) 4.16 (1.41) 0.71